The QuietCool Solar Utility Fan is a dynamic ventilator that can be used for any application imaginable such as: Sheds Portable Restrooms and Toilets Dog Houses Small Green Houses Toy Houses Chicken Coops and much more. For outdoor sheds, a small solar shed fan like this will do wonders to keep your valuable outdoor equipment and materials cool and ventilated. For portable restrooms and toilets, gone are the days of unwanted smells lingering with no way to evacuate them. Simply install this small solar portable restroom fan to keep it ventilated throughout the day. For dog houses and chicken coops, keep your animals cool and ventilated in their enclosed spaces by installing our small Solar Utility Fan. For small greenhouses, install 1 or more QuietCool solar greenhouse fans to keep your grow house cool and ventilated.